CVE-2016-9846

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while updating the cursor data in update_cursor_data_virgl. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.

• CWE-119

• http://www.openwall.com/lists/oss-security/2016/12/05/18Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/12/05/23Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/94765Third Party Advisory, VDB Entry
• https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.htmlPatch, Vendor Advisory
• https://security.gentoo.org/glsa/201701-49Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/12/05/18Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/12/05/23Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/94765Third Party Advisory, VDB Entry
• https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg00029.htmlPatch, Vendor Advisory
• https://security.gentoo.org/glsa/201701-49Third Party Advisory

Published

Dec 29, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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